#include <stdio.h>
#include <stdlib.h>

int main(void)
{
    int num = 1;
    
    int num2 = 66;

    float num_second = 3.156E7;
    float num3 = 0.0;
    //0xff
    printf("%p\n",&num);

    printf("0x%x\n",&num);

    printf("%#x\n",&num);

    printf("num2 = %c\n",num2);

    printf("Please input a float number:\n");
    scanf("%f",&num3);

    printf("\nyou just input is : %f",num3);

    printf("\nyou just input is : %e",num3);

    printf("\nyou just input is : %p\n",num3);

    printf("\nyou age is 12: %e\n",num3);
    return 0;
}
